AAO-HNSF Certificate Program for Otolaryngology Personnel

17. Sound waves striking the tympanic membrane cause the ossicles to vibrate. The vibration of the footplate of the stapes against the oval window creates sound by causing a traveling wave in the:

a. Utricle b. Superior semi-circular canal c. Cochlea d. Lateral semi-circular canal

18. In order to visualize the tympanic membrane, the angle of the external auditory canal must be straightened. In examining the adult ear with an otoscope, the technician should:

a. Pull the pinna down and forward b. Pull the pinna up and backward c. Press in on the tragus d. Avoid traction on the ear in patients who have had a stapedectomy

19. A patient who complains of altered taste sensation following middle ear surgery may demonstrate an injury to the scala tympani

a. True b. False

Types of Hearing Loss Patterns and Variations (Questions 20-28)

20. Which of the following symptoms is least likely to be associated with a hearing loss?

a. Tinnitus b. Headaches c. Dizziness d. Ear fullness

21. A decrease in the strength of a sound is called:

a. Conductive hearing loss b. Sensorineural hearing loss c. Air conduction d. Attenuation

22. With a sensorineural hearing loss, the air conduction results are:

a. Better than bone conduction results b. Equal to bone conduction results c. Worse than bone conduction results d. Unrelated to bone conduction results

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